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About the Walls Humanity lives surrounded by
three walls. The outermost wall is Wall Maria, the second is Wall Rose, and the
centermost wall is Wall Sina. There is a distance of about 100 kilometers between Maria and Rose, and there are about 130 kilometers between Rose and Sina. From Sina, it's about another 250 kilometers to the center of the interior. |
ODM Gear TrainingODM gear training is a difficult
process, meant to force the cadet to adapt from moving in a flat 2D plane to a
3D space. High endurance, strong legs, good
spacial awareness, and nerves of steel are requisites |
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Wall-Mounted Artillery Prior to the ODM Gear, cannons
were humanity's primary anti-Titan weapon. In order to make up for their lack
of mobility, the cannons were placed on the Walls, and defensive improvements
were made to the Walls (for clarity) as well. Grapeshot: Low lethality but
effective at stopping Titan movement. Shells: Deal a large amount of
damage, but their extremely low accuracy makes it very difficult to aim and hit
a target |
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Ultrahard Steel A material that is both hard and
flexible, allowing it to tear through Titan flesh. The "single-edged
swords" that use the material are widely known as anti-Titan weapons. Refining Ultrahard Steel requires
the use of blast furnaces that exist only in the Industrial City, meaning it
can't be made anywhere else. |